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series circuit     
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  串联电路
     A METHOD TO CORRECT τ-VALUE OF TRANSIENT PROCESS IN RLC SERIES CIRCUIT
     一种修正RLC串联电路暂态过程τ值的方法
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     Analysis and simulative example of voltaic curve in alternating RLC series circuit
     交流RLC串联电路电流曲线的分析和仿真
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     Realization of Data Fit on RLC Series Circuit Experiment with VB
     利用VB实现RLC串联电路实验中的数据拟合
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     The relationship between the capacitance-hightened voltage and the power source voltage in the R-L-C series circuit has for analyzed after introducing the concept of capacitance -hightenet voltage.
     在引出容升电压概念后,对R、L、C串联电路中容升电压与电源电压角频率的关系进行了分析,并通过对国内现有产品研究结果的进一步分析,以JCC;
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     By the method of random theory,the influence of resistance thermal flutuation on circuital current transient process in a RL series circuit is studied And the s table probability density in current,average current and current flctuation are calculated.
     利用随机理论方法研究了RL串联电路中电阻的热涨落对电路中电流暂态过程的影响,计算了 电流的定态几率密度,平均电流与电流的涨落。
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  串联回路
     The principle that the RLC series circuit produces high voltage when resonance happens and the measures to talse the voltage are discussed.
     本文就RLC串联回路谐振时电感L产生高压的原理和提高此电压的措施进行了讨论。
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     The author discussed the characteristics of series connection of multiple executive elements in a hydraulic system and presented a method for calculating parameters of two typical series circuits for which application examples were given. The author concluded that series circuit could simplify the hydraulic system, achieve synchronic movement of the executive elements and raise efficiency of the system.
     在分析液压系统多执行元件串联连接特点的基础上 ,给出了两种典型串联回路的参数计算方法 ,介绍了串联连接的应用实例 ,指出串联回路可有效简化液压系统 ,实现执行元件的同步运动 ,提高系统的效率。
短句来源
  并联电路
     This paper analyses NTC-themistor circuit in series/parallel, indicates that there exists a great comparability between the output voltage of series circuit and the equivalent themistor in parallel circuit then, it analyses the designed thermistor circuit in series/parallel by obtaining the characteristic or using formula, result shows that the circuit with a wider linear temperature area, high sensitivity, and clear physical characteristic. At last, it presents some design examples of this method.
     用函数极值方法分析NTC -热敏电阻串、并联电路 ,指出串联电路的输出电压和并联电路的等效热敏电阻存在重要的相似特性 ,用获得特性或公式法分析设计串、并联热敏电阻电路具有线性温区宽、灵敏度高、物理意义清晰等特性 ,最后给出具体设计实例 .
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  串联电路的
     A Study on Resonance in Series Circuit and Its Experimental Method
     串联电路的谐振及其实验方法的研究
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     Design principle of an LV switchboard was proposed. An L C series circuit of resonance frequency 50Hz was connected to power supply line of a large size three phase motor. The L C series circuit helps to reduce starting current of the machine and to achieve automatically limit current starting.
     一种在三相大电机的供电线路中串入谐振频率为 5 0Hz的L C串联电路 ,利用启动时L C串联电路的暂态过程较长 ,启动大电机以减小启动电流 ,而当启动完成后进入稳态 ,谐振频率为 5 0Hz的L C串联电路对于 5 0Hz的工频电流的阻抗约为 0的特点 ,实现三相交流大电机自动限流启动。
短句来源
     Study of the Input Response of the Series Circuit
     电阻电感电容串联电路的输入响应探讨
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     Study of the Series Circuit of the Regulated Direct Power Supply
     直流稳压电源串联电路的研究
短句来源
     This paper analyses NTC-themistor circuit in series/parallel, indicates that there exists a great comparability between the output voltage of series circuit and the equivalent themistor in parallel circuit then, it analyses the designed thermistor circuit in series/parallel by obtaining the characteristic or using formula, result shows that the circuit with a wider linear temperature area, high sensitivity, and clear physical characteristic. At last, it presents some design examples of this method.
     用函数极值方法分析NTC -热敏电阻串、并联电路 ,指出串联电路的输出电压和并联电路的等效热敏电阻存在重要的相似特性 ,用获得特性或公式法分析设计串、并联热敏电阻电路具有线性温区宽、灵敏度高、物理意义清晰等特性 ,最后给出具体设计实例 .
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      series circuit
    Magnetic shunting of a series circuit in an induction electricity meter
          
    The phase of the HeLa cell impedance is characteristic of a series circuit when the operation voltage exceeds 0.8?V because the cell impedance becomes significant.
          
    Below an operating voltage of 0.9?V, the system impedance response is characteristic of a parallel circuit at under 30?kHz and of a series circuit at between 30 and 100?kHz.
          
    The electric direct current was passed in vertical direction parallel with the axis of cylindrical mould or through the series circuit steel-powder nickel layer-hard alloy.
          
    The current through each element of the series circuit must be the same.
          
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    High-frequency titration curves are discussed for various methods of experimental determination (the Q-meter, Z-meter and F-meter methods), using equivalent circuits for C-type and L-type titrating cells. It has been found that for the cases of L-type cell with Q-determination and C-type cell with Z- or F-determination, the quantity measured in the course of titration changes monotonously with .the increase of conductivity of the solution. In these cases, the high-frequency titration curve should be similar...

    High-frequency titration curves are discussed for various methods of experimental determination (the Q-meter, Z-meter and F-meter methods), using equivalent circuits for C-type and L-type titrating cells. It has been found that for the cases of L-type cell with Q-determination and C-type cell with Z- or F-determination, the quantity measured in the course of titration changes monotonously with .the increase of conductivity of the solution. In these cases, the high-frequency titration curve should be similar in shape to that obtained in an ordinary conductometric titration. Two mistakes appearing in literature are here pointed out. (1) The equivalent parellel circuit and the equivalent series circuit for the C-type titrating cell do give the identical result for the value of the conductance of the solution which gives the maximum loss of high-frequency energy in the cell. (2) The appearance of a maximum high-frequency loss with increasing conduc- tance of the solution in the C-type cell is not the result of the Debye-Falkenhagen effect. The use of Pt wire electrodes in direct contact with solution for high-frequency titration is suggested. Satisfactory titration curves have been obtained with wire electrodes and a series capacitor to act as a C-type cell with much less shielding troubles.

    1.對高頻滴定用的C式和L式滴定池,Q表法,Z表法及F表法测定得到的滴定曲線,與溶液電導改變的關係,用等效電路的理論,作了全面的討論。除C式滴定池Q表法測定,文獻中已有討論外,L式滴定池Q表法測定時,和C式滴定池Z表法和F表法測定時,滴定過程中測定的量都與溶液的電導值單調變化。 2.指出了文獻中的錯誤。C式滴定池應用等效串聯電路與等效並聯電路計算的結果,是完全等同的。C式滴定池的高頻電能損耗與溶液中電解質濃度的關係,與Debye-Falkenhagen效應無關。 3.提出了用鉑絲電極直接插入溶液的高頻滴定法。

    Objective.An attempt has been made to demonstrate the derivation of convolution integral on oscillograph.For this reason,this paper provides a theoretic basis upon which convolution can be displayed.In this respect,the crucial point is using an impulse function as a substitute for shock excitation function.Criteria for this substitution are discussed in detail.Expanding the exponential functioninto power series and omitting the high order terms,the two criteria for substituting the shock excitation function...

    Objective.An attempt has been made to demonstrate the derivation of convolution integral on oscillograph.For this reason,this paper provides a theoretic basis upon which convolution can be displayed.In this respect,the crucial point is using an impulse function as a substitute for shock excitation function.Criteria for this substitution are discussed in detail.Expanding the exponential functioninto power series and omitting the high order terms,the two criteria for substituting the shock excitation function by an impulse function are given as follows;Where U0 and A are the amplitude and pulse duration of the common square-wave pulse adding to a RC series circuit respectively,T the duration constant(t=RC),ψ0 the intensity of shock excitation function or the area beneath ψ0δ(t),and ψ the area beneath the square-wave pulse or ψ=U0×Δ Using these criteria,the continuous excitation may then be discretized and thus the integral expression of a convolution is derived using the principle of superposition,taking the same form to the known but derived from different With such a derivation,the whole process as above can be demonstrated on an oscillograph.On screen,processes of both the superposition of discrete responses and the successive approximation are clearly displayed,as shown in Fig 7,8 and 9.Fig.1 Shock excitation function adding to a RC series circuitFig.2 Square-wave pulse voltage (a) and the responce on capacitor as adding it to a RC series circuit (b)Fig.3 Step response on a RC series circuit,(a)adding step voltage to the circuit (b)wave-form of step response.Fig.4 Step voltage (a) and pulse packet voltage (b)Fig.5 Response due to the K-th pulse voltage Fig.6 Demonstration set-up composed of impulser,RC circuit and oscillograph.Fig.7 Pulse packet voltage response as U's=20V,Δ'=10μs andf=3kHz.Fig.8 Pulse packet voltage response as U's=20V,Δ'=3μs and f=10kHz.Fig.9 Pulse packet voltage response as U*s=20V,Δ'=1μs and f=30kHz.

    本文主要讨论用实验演示卷积积分的理论根据。基本方法是把指数函数展开为幂级数,再略去高次项就得到用脉冲函数代替冲激函数的两个重要条件:(1)ψ=ψ;(2)τ>>△。以此为基础把连续的激励离散化,再运用迭加原理导出了卷积积分表达式。这一过程可用实验进行演示,在荧光屏上能清楚地看到离散响应的迭加过程及向连续逼近的过程。

    The measurement of parameters of ACEL panel are indispensable in the study of pattel mechanism, panel classification and optimizing operationeon -ditions. The author suggests the resonance method which is based ucon the principle of resonance in RLC series circuits.The resonance method is as follows. Putting the inductor and ACEL panel in series, supplying the circuit with voltage of certain frequency, and then changing its inductance and voltage to make the circuit resonant (inductive...

    The measurement of parameters of ACEL panel are indispensable in the study of pattel mechanism, panel classification and optimizing operationeon -ditions. The author suggests the resonance method which is based ucon the principle of resonance in RLC series circuits.The resonance method is as follows. Putting the inductor and ACEL panel in series, supplying the circuit with voltage of certain frequency, and then changing its inductance and voltage to make the circuit resonant (inductive reactance (WWWWWWWWWWWWWL) in the circuit is just enough to offset the panel capa-citive reactance (1/WWWWWWWWWC)), the parameters of ACEL panel can be measured.They are:1. Power consumption (PEL);2. Equivalent capacitance (CBL);3. Equivalent series resistance (rBL);4. Equivalent parallel resistance (r'EL);5. Loss angle (8888888888). Experiments show that the resonance method is. sample and reliable.Besides , as the voltage across the panel is Q times the voltage of the power supply,an ordinary signal generator of audio frequency can be used.In practice, with the resonance principle, a high voltage panel can work with a lower voltage power supply.The power factor will be raised, the size of the power supply will be reduced and the cost will be cut down.

    ACEL交流电致发光屏特性参数的测量,对研究其发光机理、选择最佳工作条件及其分类等均具有重要意义。作者根据RLC串联谐振回路的基本原理,提出谐振法测试方案。测试结果表明,该方法原理简明、操作方便、结果稳定可靠。可同时给出ACEL器件的功耗P_(EL)、等效电容C_(EL),串联等效电阻rE L、并联等效电阻rE L及损耗角δ等表征发光屏特性的重要参数。

     
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